CDOT I-70 Travel Advisory November 3, 2020

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Please be advised that the following ramp closure will be in place starting at 2 p.m. today and lasting overnight. This closure is necessary for the completion of various construction activities so the new Westbound I-70 Mountain Express Lane can be finished and open by the end of the year. 


The westbound I-70 off ramp at Exit 239 (Idaho Springs) will be closed from 2 p.m. today, Nov. 3 until approx. 5 a.m. Wed. Nov. 4 while crews install guardrail. The following detour route is recommended:

  • Take Exit 240 (CO 103/Mt. Evans), drive north to Colorado Blvd, then west.


All construction schedules and closures are weather dependent and subject to change.

Please refer to for real-time road conditions, closures and restrictions when planning travel through the work zone. For updated closures, simply click on "Road Work" and select the cone at Idaho Springs to open up a full list of closures.

Thank you for your patience and flexibility during this time and please let me know if I can be of further assistance.

Jen Van Rensburg

Public Information Manager

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